737 		struct linux_efi_random_seed *seed;  in efi_config_parse_tables()  local
740 		seed = early_memremap(efi_rng_seed, sizeof(*seed));  in efi_config_parse_tables()
741 		if (seed != NULL) {  in efi_config_parse_tables()
742 			size = min_t(u32, seed->size, SZ_1K); // sanity check  in efi_config_parse_tables()
743 			early_memunmap(seed, sizeof(*seed));  in efi_config_parse_tables()
745 			pr_err("Could not map UEFI random seed!\n");  in efi_config_parse_tables()
748 			seed = early_memremap(efi_rng_seed,  in efi_config_parse_tables()
749 					      sizeof(*seed) + size);  in efi_config_parse_tables()
750 			if (seed != NULL) {  in efi_config_parse_tables()
751 				add_bootloader_randomness(seed->bits, size);  in efi_config_parse_tables()
752 				memzero_explicit(seed->bits, size);  in efi_config_parse_tables()
753 				early_memunmap(seed, sizeof(*seed) + size);  in efi_config_parse_tables()
755 				pr_err("Could not map UEFI random seed!\n");  in efi_config_parse_tables()
1177 	struct linux_efi_random_seed *seed;  in update_efi_random_seed()  local
1183 	seed = memremap(efi_rng_seed, sizeof(*seed), MEMREMAP_WB);  in update_efi_random_seed()
1184 	if (seed != NULL) {  in update_efi_random_seed()
1185 		size = min(seed->size, EFI_RANDOM_SEED_SIZE);  in update_efi_random_seed()
1186 		memunmap(seed);  in update_efi_random_seed()
1188 		pr_err("Could not map UEFI random seed!\n");  in update_efi_random_seed()
1191 		seed = memremap(efi_rng_seed, sizeof(*seed) + size,  in update_efi_random_seed()
1193 		if (seed != NULL) {  in update_efi_random_seed()
1194 			seed->size = size;  in update_efi_random_seed()
1195 			get_random_bytes(seed->bits, seed->size);  in update_efi_random_seed()
1196 			memunmap(seed);  in update_efi_random_seed()
1198 			pr_err("Could not map UEFI random seed!\n");  in update_efi_random_seed()